Largemouth blenny
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Perciformes
- family: Labrisomidae
- genus: Labrisomus
- species: Labrisomus xanti
Mulegé
Baja CaliforniaCabo San Lucas
La Paz
Baja California SurAcapulco
GuerreroSan Blas
NayaritTopolobampo
SinaloaGuaymas
La Libertad
Puerto Peñasco
Sonora
Mexico